Information For a 4.6 Earthquake on 10/20/1991 near Unalaska, AK

An earthquake of magnitude 4.6 and depth of 33.00 kilometers occurred 35.64 miles from Unalaska, AK in Aleutians West Census Area at 12:50 AM.

10/20/1991 - Earthquake Incident Location
Earthquake Details
Location: 35.64 miles from Unalaska, AK in Aleutians West Census Area, AK
Date: 10/20/1991
Time: 12:50 AM
Magnitude: 4.6 Mag
Depth: 33.00 km
More Earthquake Incidents on 10/20/1991

Area Highlights

Natural Disasters Risk

  • Hail Risk Hail Risk is Very Low
  • Tornados Tornado Risk is Very Low